Portal Forum

I just downloaded and installed Steam and then Portal. When I run Portal, I get the loading screen, and then it goes back to the desktop with a message box titled "Engine Error" which says, "Your graphics hardware must support at least pixel shader version 1.1 to run this game!"

I uninstalled and reinstalled Portal and I get the same behavior. Does anyone have any advice?

I'm running CrossOver Games 7.2 on Mac OSX 10.5.6.

iMac with Intel Core 2 Duo 2.8 GHz processor and 2 GB RAM. ATI Radeon HD2600 graphics card with 256 MB RAM.

In the graphics tab of winecfg, vertex shader support was set to none. Upon changing it to hardware, Portal runs. (The allow pixel shader checkbox was always checked.)

Where do you go to fix this I cannot find it anywhere on my computer.